SkyWater Technology, Inc (SKYT) Insider Ownership

Historic Insider Ownership Trends

SkyWater Technology's three largest insider shareholders as of March 23, 2026 are Oxbow Partners, Llc Cmi (Director, 21.96Mn shares), Loren A Unterseher (Director, 4.49Mn shares), Bart L Zibrowski (TenPercentOwner, 4.48Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Oxbow Partners, Llc Cmi 21,960,324 0 19 Sep, 2022
Loren A Unterseher 4,487,394 0 01 Dec, 2025
Bart L Zibrowski 0 4,483,396 03 Aug, 2023
Developments, L.L.C. Ddk 4,483,396 0 03 Aug, 2023
Loren A Unterseher 0 651,818 17 Nov, 2025
Steven P. Wold Chief Admin Officer 639,091 0 22 Apr, 2021
Thomas Sonderman Ceo 553,244 0 18 Mar, 2026
Thomas Sonderman Ceo 515,990 0 19 Feb, 2026
Thomas R. Lujan 462,258 0 23 Jan, 2024
Bradley Ferguson Chief Govt Affairs Officer 443,805 0 15 Aug, 2023
Mark Litecky Chief Revenue Officer 347,411 0 15 Aug, 2023
Steve Manko Cfo 269,977 0 19 Feb, 2026
Steve Manko Cfo 224,874 0 23 Mar, 2026
Khoua Yang Vp Of Finance 168,322 0 22 Apr, 2021
John Sakamoto President And Coo 141,395 0 17 Mar, 2026
John Sakamoto President And Coo 120,174 0 19 Feb, 2026
John Spicer Evp Operations 68,036 0 17 Mar, 2023
Steve Kosier Chief Technology Officer 63,504 0 15 Aug, 2023
Christopher Hilberg Chief Risk Compl. Officer 62,929 0 18 Mar, 2026
Christopher Hilberg Chief Risk Compl. Officer 46,300 0 19 Feb, 2026
Amanda Daniel Chief People Officer 43,699 0 15 Aug, 2023
Nancy Fares 43,501 0 23 May, 2025
Chunyi (Amy) Leong 40,923 0 24 May, 2024
Edward Daly 34,879 0 23 May, 2025
Joseph J Humke 23,713 0 23 May, 2025
Tammy J Miller 11,428 0 23 May, 2025
Andrew D.C. Lafrence 11,428 0 23 May, 2025
Timothy E Baxter 11,428 0 23 May, 2025
Wendi B. Carpenter 10,537 0 22 Apr, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Mar, 2026 Steve Manko Common Stock D 71,693 $27.84 224,874 D S
16 Mar, 2026 Thomas Sonderman Common Stock D 13,201 $27.86 553,244 D F
16 Mar, 2026 Steve Manko Common Stock D 2,842 $27.86 296,567 D F
16 Mar, 2026 Steve Manko Common Stock A 9,708 $10.14 306,275 D M
16 Mar, 2026 Christopher Hilberg Common Stock D 1,317 $27.86 62,929 D F
16 Mar, 2026 Steve Manko Common Stock D 9,708 $27.84 296,567 D S
16 Mar, 2026 Steve Manko Common Stock D 81,401 $27.84 215,166 D S
16 Mar, 2026 Steve Manko Options to Acquire Common Stock D 9,708 $0.00 19,416 D M
15 Mar, 2026 John Sakamoto Common Stock A 21,221 $0.00 141,395 D A
15 Mar, 2026 Christopher Hilberg Common Stock A 17,946 $0.00 64,246 D A
15 Mar, 2026 Thomas Sonderman Common Stock A 50,455 $0.00 566,445 D A
15 Mar, 2026 Steve Manko Common Stock A 29,432 $0.00 299,409 D A
17 Feb, 2026 Steve Manko Common Stock D 7,145 $28.77 269,977 D F
17 Feb, 2026 Christopher Hilberg Common Stock D 3,571 $28.77 46,300 D F
17 Feb, 2026 John Sakamoto Common Stock D 8,539 $28.77 120,174 D F
17 Feb, 2026 Thomas Sonderman Common Stock D 5,767 $28.77 515,990 D F
17 Feb, 2026 John Sakamoto Common Stock D 8,539 $28.77 120,174 D F
17 Feb, 2026 Steve Manko Common Stock D 7,145 $28.77 269,977 D F
17 Feb, 2026 Thomas Sonderman Common Stock D 5,767 $28.77 515,990 D F
17 Feb, 2026 Christopher Hilberg Common Stock D 3,571 $28.77 46,300 D F